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dc.contributor.authorCavers, S.en
dc.contributor.authorNavarro, C.en
dc.contributor.authorHopkins, R.en
dc.contributor.authorEnnos, R.en
dc.contributor.authorLowe, A.en
dc.identifier.citationSilvae Genetica, 2005; 54(6):258-264en
dc.description.abstractThe neotropical pioneer species Vochysia ferruginea is locally important for timber and is being increasingly exploited. The sustainable utilisation of this species would benefit from an understanding of the level and partitioning of genetic diversity within remnant and secondary regrowth populations. We used data from total genome (amplified fragment length polymorphism, AFLP) and chloroplast genome markers to assay diversity levels within seven Costa Rican populations. Significant chloroplast differentiation between Atlantic and Pacific watersheds was observed, suggesting divergent historical origins for these populations. Contemporary gene flow, though extensive, is geographically constrained and a clear pattern of isolation by distance was detectable when an inter-population distance representing gene flow around the central Costa Rican mountain range was used. Overall population differentiation was low (F-ST = 0.15) and within-population diversity high, though variable (H-s=0.16-0.32), which fits with the overall patternof population genetic structure expected for a widespread, outcrossed tropical tree. However genetic diversity was significantly lower and differentiation higher for recently colonised and disturbed populations compared to that at more established sites. Such a pattern seems indicative of a pioneer species undergoing repeated cycles of colonisation and succession.en
dc.description.statementofresponsibilityCavers, S.; Navarro, C.; Hopkins, R.; Ennos, R.A.; Lowe, A.J.en
dc.publisherSauerlanders Verlagen
dc.subjectAFLP; chloroplast DNA; genetic diversity, gene flow; succession.en
dc.titleRegional and population-scale influences on genetic diversity partitioning within costarican populations of the pioneer tree Vochysia ferruginea marten
dc.typeJournal articleen
pubs.library.collectionEarth and Environmental Sciences publicationsen
dc.identifier.orcidLowe, A. [0000-0003-1139-2516]en
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute Leaders publications

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